condition	mean	min	max
4 h after light	4.17305	3.1557	5.1904
8 h after light	2.8579049999999997	2.38149	3.33432
12 h after light	7.28426	6.79936	7.76916
4 h after dark	16.076433333333334	15.4738	16.4702
8 h after dark	12.226033333333334	11.0433	13.4366
12 h after dark	5.371926666666667	4.23081	6.69354